C 2 C

Steelworks and steelmills consisting primarily of steel converters for decarburizing pig iron by means of blowing refines oxygen, ladle treatment equipment for ladle furnaces to be used in steelworks and steelmills for carrying out metallurgical reactions in the ladle to operate a primary furnace as a high-speed melter and to adjust the final chemical composition and temperature of the steel after tapping and to perform certain metallurgical reactions, namely, to add deoxidizers, slag formers, and small amounts of alloying agents, vacuum treatment equipment for metallurgical vacuum treatment of molten steel using steel converters, continuous slab casting or ingot casting equipment; gas turbine power and steam turbine power electricity generation equipment consisting primarily of generators, low-pressure and high-pressure turbines, coal cutting mill machines; electrolysis machinery, namely, an electrolysis chamber to separate water into hydrogen and oxygen for increasing efficiency for use in internal combustion engines, turbines and air turbines, not for land vehicles

Hot blast furnaces for pig iron production; gas pipeline systems, namely, switchable separators for the cleaning and purification of gases, smelting gases, coke-oven gases, blast furnace top gases, converter gases, process gases, as well as mixed gases and utility gases composed from the specified gases which occur in pig iron production, crude steel production, coke production; machinery for hydrogen production, hydrogen generators; machinery for ammonia synthesis and urea synthesis, namely, reactors for chemical liquefaction and separation for the transformation and production of the basic chemical compounds ammonia and urea, and valves for producing ammonia and urea; thermal oxidizers for industrial air pollution control, namely, machinery for converting carbon monoxide proportions of a smelting gas by means of a water-gas shift reaction or a steam reforming with water vapor or a partial oxidation with air and/or oxygen; separators for the cleaning and purification of gases, namely, machinery for separating process gases in a gas mixture by means of a pressure swing adsorption; gas purification machines, namely, machinery for gas purification and gas conditioning of utility gases, and facilities consisting thereof, for yielding, treatment, recovery, and/or production of chemical products from industrial exhaust gas emissions and/or synthesis gases, which contain the components of the respective end product, particularly of ammonia, methanol, or other hydrocarbon compounds, as well as biotechnological facilities for fermenting synthesis gases; emission control systems consisting primarily of machinery and apparatus for reducing and processing gases that are harmful to the climate in steel production in particular in integrated steel mills; coke-oven machinery for producing coke and raw gas from coal by means of a distillation process, consisting primarily of industrial ovens for coke making with oven roofs for filling coke-oven batteries with coal and coke extinguisher equipment for quickly extinguishing and cooling produced coke; water cooling towers for gas turbine power plants and steam turbine power plants for electricity generation